INTES MICRO ALTER M 603 - 6"F/10 Maksutov Cassegrain
High tech quality telescope for advanced amateurs, who wish to have the highest standard. Fully baffled tube interior ( 5 baffles) protect it from any stray light at daytime. All mechanical elements are made from metal. Focusing is accomplished by using an large gear behind primary mirror, turned by an small gear with the hand knob. The large gear use an inside multilayer thread and therefore the focusing is made on axis with zero image shift.

All the ALTER moving mirror telescopes have the same advantage: use of any available accessory on the market, use of any reducer for f/ratios F/7.5, F/5.5, F/3.3 and for CCD/ video work with F/2.5.